Re: [PATCH RFC] gen_init_cpio: Do fsync() only on regular files

[Christoph Hellwig]

On Tue, Oct 07, 2025 at 04:57:32PM +1100, David Disseldorp wrote:
> I should have explained why in the commit, sorry. The intention was to
> catch any FS I/O errors during output archive writeback. fsync() is
> called only once as the final I/O.

I don't parse this.  What does 'as the final I/O' mean?  If you want
to catch writeback errors, a single syncfs should be enough.